<!--
 * @Description: Description
 * @Author: Yongchao Wang
 * @Date: 2020-09-12 23:23:51
 * @LastEditors: Yongchao Wang
 * @LastEditTime: 2020-09-25 15:25:01
-->
<template>
  <div>hello12321321321</div>
  <!-- <div>{{count}}</div> -->
</template>

<script lang='ts'>
import { ref } from 'vue'
export default {
  data () {
    return {
    };
  },
  setup(){
    //   let count = ref(0)
    //   const add = (a:number,b:number):number=>{
    //       return a +b
    //   }
    //   count.value = add(1,2)
    //   //测试ts
    // //   add('123','123')
    // add(1,2)
    //   return {
    //       count,
    //       add
    //   }

  },

  components: {},

  computed: {},

  mounted() {},

  methods: {}
}

</script>
<style  scoped>
</style>